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Bootloader (edit)

Revision as of 13:41, 18 October 2015

250 bytes added , 13:41, 18 October 2015

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The bootloader is the binary code stored in the ARM9 and ARM11 boot ROMs and hence is ran when the 3DS is powered on. It's purpose is initializing hardware and loading the [[FIRM|system firmware]] from the internal [[Flash_Filesystem|NAND memory]].

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Besides NATIVE_FIRM, the bootloader is also capable of booting other firmwares (such as TWL_FIRM and AGB_FIRM). However, this will result either in a japanese error-screen or a system shutdown, directly after FIRM-Launching.

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== Boot ROM ==

Upon boot, parts of the ARM9 and ARM11 boot ROMs are protected by writing to [[CONFIG#CFG_SYSPROT9|CFG_SYSPROT9]] and [[CONFIG#CFG_SYSPROT11|CFG_SYSPROT11]], respectively. The non-protected areas of the ARM9 and ARM11 boot ROMs are identical for launch-day regular Old3DS, 2DS, and regular New3DS.

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Besides NATIVE_FIRM, the bootloader is also capable of booting other firmwares (such as TWL_FIRM and AGB_FIRM). However, this will result either in a japanese error-screen or a system shutdown, directly after FIRM-Launching.

== Boot Procedure ==

Neobrain

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